Getting started with your ascii module chapter 2 – Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE User Manual
Page 28

Getting Started with Your ASCII Module
Chapter 2
2Ć21
2.
Connect the I/O power cable between the power supply and the I/O
chassis.
3.
Connect the twin axial cable between the I/O scanner in the
processor chassis and the remote I/O adapter module in the I/O
chassis (Figure 1.6).
Figure 1.6
Twinaxial Cable Terminations
Й
Й
Blue
Shield
Clear
Terminator Resistor
(Cat. No. 1770-XT)
150 ohm 0.5 W
NOTE: Absence of a terminator resistor can cause block
transfer errors
11821
Terminals on field Wiring Arm
of 1770-AS Adapter Module
1770ĆCD Twinaxial Cable
Terminator Resistor
(Cat. No. 1770-XS or 1770-XT)
150 ohm 0.5 W
Line 1
Shield
Line 2
Line 1
Shield
Line 2
Channel
No. 4
Channel
No. 2
Line 1
Shield
Line 2
Channel
No. 3
Blue
Channel
No. 1
Shield
Clear
Terminals on I/O Scanner Module
Line 2
4.
Connect the industrial terminal cable between channel B of the
industrial terminal and the processor chassis.